# Comunicate fc-factory within cpu siemes 1516

**URL:** <https://community.factoryio.com/t/comunicate-fc-factory-within-cpu-siemes-1516/1078>\
**Category:** Support\
**Created:** [October 4, 2021, 2:12pm UTC](https://community.factoryio.com/t/comunicate-fc-factory-within-cpu-siemes-1516/1078 "2021-10-04T14:12:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![enrolacao0](https://avatars.discourse-cdn.com/v4/letter/e/ed655f/32.png) [@enrolacao0](https://community.factoryio.com/u/enrolacao0)\
**Post date:** [October 4, 2021, 2:12pm UTC](https://community.factoryio.com/t/comunicate-fc-factory-within-cpu-siemes-1516/1078/1 "2021-10-04T14:12:38Z")

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Hello somewhere!  
I need help to a comunication with the CPU1516 with factory I/O siemes S7-1500: CPU 1516 3 PN/DP11516[6ES75163AN020AB0\_datasheet\_en.pdf](https://community.factoryio.com/uploads/short-url/u6fyXbZjSowCiwfpFIhqCgwuY5c.pdf) (310.3 KB)

I tryed take de example off site off factory I/O to link CPU 1500 - on template example he use the cpu 1511-PN[6ES75111AK020AB0\_datasheet\_en.pdf](https://community.factoryio.com/uploads/short-url/uDMBH8Wpxq05T1ujm7znP5p39Tc.pdf) (305.0 KB)  
looks good, Its working.  
BUT ! when i take de off program FC in cpu 1511 the FC MHJ-PLC-Lab-Function-S71500 and put in my libary program and call in program within CPU 1516 , i compilead the software and hardware , put the caracteris to writhe and read, equal of program 1511 example but nothing work.

somewere did ? the Factory IO comunicate withi any tipe off CPU or just work whithin some types ? how to choice cpu 1500 and continus work whit comununicate with factory i/o?